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1. www.w3schools.com › js › js_loop_forJavaScript for Loop - W3Schools

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   JavaScript supports different kinds of loops: for - loops through a block of code a number of times. for/in - loops through the properties of an object. for/of - loops through the values of an iterable object. while - loops through a block of code while a specified condition is true.

2. www.freecodecamp.org › news › javascript-loopsJavaScript Loops Explained: For Loop, While Loop, Do...while ...

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   Feb 15, 2020 · JavaScript Loops Explained: For Loop, While Loop, Do...while Loop, and More. Loops are used in JavaScript to perform repeated tasks based on a condition. Conditions typically return true or false. A loop will continue running until the defined condition returns false.

3. www.freecodecamp.org › news › javascript-for-loopsJavaScript For Loop – Explained with Examples

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   May 27, 2022 · For Loops in JavaScript. The for loop is an iterative statement which you use to check for certain conditions and then repeatedly execute a block of code as long as those conditions are met. Flowchart for the for loop. Syntax of a for loop. for (initialExpression; condition; updateExpression) { // for loop body: statement }

4. developer.mozilla.org › en-US › docsfor - JavaScript | MDN - MDN Web Docs

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   May 1, 2024 · The for statement creates a loop that consists of three optional expressions, enclosed in parentheses and separated by semicolons, followed by a statement (usually a block statement) to be executed in the loop.

5. developer.mozilla.org › en-US › docsLoops and iteration - JavaScript | MDN - MDN Web Docs

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   Sep 12, 2023 · Use the break statement to terminate a loop, switch, or in conjunction with a labeled statement. When you use break without a label, it terminates the innermost enclosing while, do-while, for, or switch immediately and transfers control to the following statement.

6. javascript.info › while-forLoops: while and for - The Modern JavaScript Tutorial

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   Jun 19, 2022 · Loops: while and for. We often need to repeat actions. For example, outputting goods from a list one after another or just running the same code for each number from 1 to 10. Loops are a way to repeat the same code multiple times.

7. People also ask

   What is a loop in JavaScript?

   • Loops are handy, if you want to run the same code over and over again, each time with a different value. Often this is the case when working with arrays: JavaScript supports different kinds of loops: The for statement creates a loop with 3 optional expressions: Expression 1 is executed (one time) before the execution of the code block.

   JavaScript For Loop - W3Schools

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   When should you use a for loop in JavaScript?

   • This form of syntax should only be used when you want the body of the loop to execute at least once regardless of the condition being truthy. Usually, the other form is preferred: while (…) {…}. The for loop is more complex, but it’s also the most commonly used loop.

   Loops: while and for - The Modern JavaScript Tutorial

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   What are the different types of loops in JavaScript?

   • JavaScript supports different kinds of loops: The for statement creates a loop with 3 optional expressions: Expression 1 is executed (one time) before the execution of the code block. Expression 2 defines the condition for executing the code block. Expression 3 is executed (every time) after the code block has been executed.

   JavaScript For Loop - W3Schools

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   How does a while loop work?

   • The while loop starts by evaluating condition. If condition evaluates to true, the code in the code block gets executed. If condition evaluates to false, the code in the code block is not executed and the loop ends. The do...while loop is closely related to while loop.

   JavaScript Loops Explained: For Loop, While Loop, Do...while Loop, and …

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8. www.sitepoint.com › javascript-for-loopHow to Use the for Loop in JavaScript - SitePoint

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   Feb 22, 2022 · Table of Contents. Why Use For Loops in JavaScript Code. Definition of the for…in Loop. Syntax of the for…in Loop. Using the for Loop with Objects. Using a for…in Loop with...